[CREDO]

for (i=1; i<20; i++) {
_root.attachMovie("ball", "ball"+i, getNextHighestDepth(),{_x:random(50)});
}
var Y0 = 10;
var t = 0;
var a = 4;
var Vy = 0;
var newY = null;
var newV = null;
_root.onEnterFrame = function() {
this["ball"+i]._y = Y0+Vy*t+a*t*t/2;
newV = Vy+a*t;
newY = this["ball"+i]._y;
t += 0.6;
};


Не падают